Home / 122,081,344.80-183,122,017.20-99,123,093.60

Finding the Fourth Proportional to 122,081,344.80, 183,122,017.20 and 99,123,093.60

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Solution

The fourth proportional to 122,081,344.80, 183,122,017.20 and 99,123,093.60 is: 148,684,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,081,344.80 : 183,122,017.20 = 99,123,093.60 : x
  2. Step 2: Convert to fraction form
    122,081,344.80/183,122,017.20 = 99,123,093.60/x
  3. Step 3: Cross multiply
    122,081,344.80x = 183,122,017.20 × 99,123,093.60
  4. Step 4: Simplify right side
    122,081,344.80x = 18,151,620,851,136,408
  5. Step 5: Solve for x
    x = 18,151,620,851,136,408/122,081,344.80
  6. Step 6: Final answer
    x = 148,684,640.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.